Which of these earth spheres interact when wind carries away the top soil from one place and deposits it in another place? a. cryosphere and geosphere b. cryosphere and hydrosphere c. atmosphere and geosphere d. atmosphere and hydrosphere

Aproduction line at v. j. sugumaran's machine shop has three stations. the first station can process a unit in 7 minutes. the second station has two identical machines, each of which can process a unit in 16 minutes (each unit only needs to be processed on one of the two machines). the third station can process a unit in 10 minutes. ▼ is the bottleneck station, with a bottleneck time of nothing minutes per unit (enter your response as a whole number).